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Finding the Fourth Proportional to 268,315.92, 370,111.32 and 159,346.20

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Solution

The fourth proportional to 268,315.92, 370,111.32 and 159,346.20 is: 219,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,315.92 : 370,111.32 = 159,346.20 : x
  2. Step 2: Convert to fraction form
    268,315.92/370,111.32 = 159,346.20/x
  3. Step 3: Cross multiply
    268,315.92x = 370,111.32 × 159,346.20
  4. Step 4: Simplify right side
    268,315.92x = 58,975,832,418.98
  5. Step 5: Solve for x
    x = 58,975,832,418.98/268,315.92
  6. Step 6: Final answer
    x = 219,799.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.